P1669

The ECM in a non-ABS vehicle is programmed differently than an ECM in an ABS vehicle. Some inputs are different. DTC P1669 will set if an ECM that is programmed for ABS is installed in a vehicle without ABS.

DTC PARAMETERS
DTC P1669 will set if an ABS programmed ECM is installed in non-ABS equipped vehicle when:
^ Engine is running
^ Condition exist for longer than 2 seconds

P1669 is a Type D DTC

DIAGNOSTIC AIDS
Check for loop connections or damaged wires between the ABS module and ECM.

If vehicle not equipped with ABS, reprogram ECM to indicate ABS not present. Refer to "Reprogramming" in the Saturn Service Stall System (SSS) User Guide.